define(["core/chart_base"],function(a){function b(){a.prototype.constructor.apply(this,arguments)}return b.prototype=Object.create(a.prototype),b.prototype.TYPE="line",b.prototype._smooth=!1,b.prototype.create=function(b,c){var d=a.prototype.create.apply(this,arguments);return d.setSmooth(c.smooth),d},b.prototype.getSmooth=function(){return this._smooth},b.prototype.setSmooth=function(a){this._smooth=Boolean(a)},b});